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Working Paper
Making Sense of Increased Synchronization in Global House Prices
Evidence indicates that house prices have become somewhat more synchronized during this century, likely reflecting more correlated movements in long-term interest rates and macroeconomic cycles that are related to trends in globalization and international portfolio diversification. Nevertheless, the trend toward increased synchronization has not been continuous, reflecting that house prices depend on other fundamentals, which are not uniform across countries or cities. Theory and limited econometric evidence indicate that the more common are fundamentals, the more in-synch house price cycles ...
Working Paper
What Macroeconomic Conditions Lead Financial Crises?
Research has suggested that a rapid pace of nonfinancial borrowing reliably precedes financial crises, placing the pace of debt growth at the center of frameworks for the deployment of macroprudential policies. I reconsider the role of asset-prices and current account deficits as leading indicators of financial crises. Run-ups in equity and house prices and a widening of the current account deficit have substantially larger (and more statistically-significant) effects than debt growth on the probability of a financial crisis in standard crisis-prediction models. The analysis highlights the ...
Working Paper
Explaining Machine Learning by Bootstrapping Partial Marginal Effects and Shapley Values
Machine learning and artificial intelligence are often described as “black boxes.” Traditional linear regression is interpreted through its marginal relationships as captured by regression coefficients. We show that the same marginal relationship can be described rigorously for any machine learning model by calculating the slope of the partial dependence functions, which we call the partial marginal effect (PME). We prove that the PME of OLS is analytically equivalent to the OLS regression coefficient. Bootstrapping provides standard errors and confidence intervals around the point ...
Discussion Paper
First Impressions Can Be Misleading: Revisions to House Price Changes
An assiduous follower of the national house price charts that the New York Fed maintains on its web page may have noticed that we appear to be rewriting history as we update the charts every month. For example, last month we reported that the median twelve-month house price change across all counties for December 2012 was 3.68 percent. However, this month, we indicate that this same median change for December 2012 was instead 3.45 percent. Why the change? Was the earlier reported number a mistake that we simply corrected this month? If not, what explains the revision to the initial report?
Working Paper
Can Learning Explain Boom-Bust Cycles In Asset Prices? An Application to the US Housing Boom
Explaining asset price booms poses a difficult question for researchers in macroeconomics: how can large and persistent price growth be explained in the absence large and persistent variation in fundamentals? This paper argues that boom-bust behavior in asset prices can be explained by a model in which boundedly rational agents learn the process for prices. The key feature of the model is that learning operates in both the demand for assets and the supply of credit. Interactions between agents on either side of the market create complementarities in their respective beliefs, providing an ...
Working Paper
Public Education and Intergenerational Housing Wealth Effects
While rising house prices are known to benefit existing homeowners, we document a new channel through which house price shocks have intergenerational wealth effects. Using panel data from school zones within a large U.S. school district, we find that higher local house prices lead to improvements in local school quality, thereby increasing children's human capital and future incomes. We quantify this housing wealth channel using an overlapping generations model with neighborhood choice, spatial equilibrium, and endogenous school quality. We find that housing market shocks generate large ...
Working Paper
Army of Mortgagors: Long-Run Evidence on Credit Externalities and the Housing Market
Houses are the most important asset on American households’ balance sheets, rendering the U.S. economy sensitive to house prices. There is a consensus that credit conditions affect house prices, but to what extent remains controversial, as an expansion in credit supply often coincides with changes in house price expectations. To address this longstanding question, we rely on novel microdata on the universe of mortgages guaranteed under the Veterans Administration (VA) loan program. We use the expansion of eligibility of veterans for the VA loan program following the Gulf War to estimate a ...
Working Paper
Do Mortgage Subsidies Help or Hurt Borrowers?
Mortgage subsidies affect homeownership costs by reducing effective mortgage rates and increasing house prices. I show analytically the role of mortgage subsidies in determining house price changes, economic incidence, and efficiency costs using a theoretical framework for applied welfare analysis. I derive simple expressions for these effects, as functions of reduced-form sufficient statistics, which I use to measure the effects from eliminating mortgage deductions. My main results characterize the distributional impact of mortgage subsidies among buyers and owners and how house price ...